? With the attention and support of new and old friends and partners, Qingdao Changxinda launched the entry-level call center-Changyitong series products on 20 12 and 12. Based on the modular design of industrial standards, this series of products integrates the common functions of telecom call centers, helping users to easily build an easy-to-use, flexible and stable entry-level call center with low construction cost. At present, we are actively recruiting channel partners.